Week 15 Rankings: Standard | PPR

Two weeks of disappointing stats from Cowboys rookie quarterback Dak Prescott have made Fantasy owners jittery. He has amassed one touchdown in two straight games and under 200 yards passing in three straight games. The six-game stretch where he mowed down rivals for 20-plus Fantasy points is behind him.

Dak Prescott
DAL • QB • 4
2016 stats
CMP%6,580.0
YDS3,139
TD20
INT4
ATT48
RUSH YDS218
RUSH TD5
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Matchups have obviously played a role. Dallas' last two opponents have done a good job containing Prescott. The Giants were able to generate a pass rush without their top defensive lineman and neutralize Dez Bryant at the same time. The Vikings didn't quite keep Bryant down, but Prescott couldn't do much with his other receivers and was sacked three times. Both games serve as an example of how Prescott isn't quite a slam-dunk.

It didn't look like a tough matchup on the schedule about a month ago, but the Buccaneers are coming into Dallas riding a red hot defensive streak. Fresh off the heels of humiliating Drew Brees, Tampa Bay has allowed four passing touchdowns over a five-game span where four quarterbacks have posted 18 or fewer Fantasy points.

Here are some Prescott-related Fantasy lineup decisions you might have to mull over this week:

Dak Prescott or Marcus Mariota? The matchup is equally bad for Mariota against a Chiefs defense that keeps getting better thanks to the return of pass rusher Justin Houston. The Chiefs are also really good at containing tight ends, hurting Mariota's top target. In this case, Prescott is the preferred start.

Dak Prescott or Tyrod Taylor? This would normally be a no-brainer for Prescott on the basis of talent alone, but Taylor's facing the Browns. Only two quarterbacks all season have failed to do well against Cleveland -- one was Ryan Fitzpatrick, the other was Ben Roethlisberger in a wind storm. It's simply too good of a matchup for Taylor.

Dak Prescott or Cam Newton? Newton's past two games have been pretty crummy, too. Somehow his completion percentage has nosedived below 50 percent in four straight, and he's not running enough to offset his meandering passing numbers. His O-line has been disheveled as well. The Panthers don't match up so well with the Redskins, and Newton's been worse on the road than at home. You have to feel better with Dak.

Dak Prescott or Ben Roethlisberger? The Bengals host Big Ben on Sunday, and while they've been great against quarterbacks in their past four games, it's not like they've faced any good ones. There's a stigma that Roethlisberger struggles on the road, but he has a pair of road games this season where he's thrown three scores and he's played in poor weather conditions in two more. It's close, but he should have slightly more point potential than Prescott.

What are the Rest of Season Rankings & Trade Values? The values assigned to the players below are a long-term measurement of their Fantasy value in standard and PPR leagues. And if your league still allows trade, you could add two players' values to determine what one player you should be able to get in return. Any player not on the chart should be considered valued at no more than four points and not a must-own.

Running backs

Player Stnd PPR
Le'Veon Bell, PIT 48 52
David Johnson, ARI 47 52
Ezekiel Elliott, DAL 46 48
DeMarco Murray, TEN 40 43
LeSean McCoy, BUF 37 40
Carlos Hyde, SF 27 28
LeGarrette Blount, NE 25 25
Latavius Murray, OAK 21 23
Jay Ajayi, MIA 20 22
Jordan Howard, CHI 20 22
Devonta Freeman, ATL 19 21
Frank Gore, IND 18 20
Doug Martin, TB 17 19
Thomas Rawls, SEA 17 19
Jeremy Hill, CIN 17 17
Rob Kelley, WAS 16 16
Melvin Gordon, SD 15 18
Lamar Miller, HOU 14 16
Matt Forte, NYJ 14 16
Mark Ingram, NO 13 15
Todd Gurley, LAR 13 15
Jonathan Stewart, CAR 13 14
Spencer Ware, KC 12 13
Tevin Coleman, ATL 11 13
Theo Riddick, DET 10 13
Kenneth Dixon, BAL 9 11
Ryan Mathews, PHI 9 10
Isaiah Crowell, CLE 9 10
Kenneth Farrow, SD 8 11
Bilal Powell, NYJ 8 11
Jerick McKinnon, MIN 7 10
Dion Lewis, NE 7 9
Rashad Jennings, NYG 7 8
Mike Gillislee, BUF 7 8
Terrance West, BAL 7 8
Adrian Peterson, MIN 7 8
Devontae Booker, DEN 7 8
Tim Hightower, NO 7 8
Darren Sproles, PHI 6 8
James White, NE 6 8
Derrick Henry, TEN 6 6
Damien Williams, MIA 6 6
T.J. Yeldon, JAC 5 7
Chris Thompson, WAS 5 6

Wide receivers

Player Stnd PPR
Antonio Brown, PIT 43 47
Mike Evans, TB 36 40
Julio Jones, ATL 36 40
Odell Beckham, NYG 35 39
Jordy Nelson, GB 33 36
T.Y. Hilton, IND 31 34
Dez Bryant, DAL 25 29
Davante Adams, GB 18 22
Amari Cooper, OAK 18 21
Demaryius Thomas, DEN 17 20
Tyrell Williams, SD 16 19
Michael Crabtree, OAK 16 19
Jamison Crowder, WAS 14 17
Julian Edelman, NE 13 18
Doug Baldwin, SEA 13 16
Brandin Cooks, NO 13 16
Terrelle Pryor, CLE 13 15
Michael Thomas, NO 12 14
Sammy Watkins, BUF 12 14
DeSean Jackson, WAS 12 14
Emmanuel Sanders, DEN 11 15
Brandon Marshall, NYJ 11 14
Donte Moncrief, IND 11 14
Golden Tate, DET 11 14
Tyreek Hill, KC 11 14
Kenny Britt, LA 10 12
Malcolm Mitchell, NE 10 12
DeAndre Hopkins, HOU 9 12
DeVante Parker, MIA 9 11
Chris Hogan, NE 9 11
Stefon Diggs, MIN 8 12
Jarvis Landry, MIA 8 12
Steve Smith, BAL 8 11
Dontrelle Inman, SD 8 11
Jordan Matthews, PHI 8 11
Willie Snead, NO 8 11
Rishard Matthews, TEN 8 10
Sterling Shepard, NYG 8 10
Alshon Jeffery, CHI 8 10
Larry Fitzgerald, ARI 7 11
Marqise Lee, JAC 7 10
Randall Cobb, GB 7 9
Allen Robinson, JAC 7 9
Kelvin Benjamin, CAR 7 9
Cole Beasley, DAL 6 9
Brandon LaFell, CIN 6 8
Tyler Boyd, CIN 6 8
Taylor Gabriel, ATL 6 8
Pierre Garcon, WAS 5 8
Marvin Jones, DET 5 7
Mike Wallace, BAL 5 7
Quincy Enunwa, NYJ 5 7
Corey Coleman, CLE 5 6

Tight ends

Player Stnd PPR
Tyler Eifert, CIN 17 19
Travis Kelce, KC 16 19
Jimmy Graham, SEA 15 18
Jordan Reed, WAS 12 15
Delanie Walker, TEN 11 14
Greg Olsen, CAR 10 12
Zach Ertz, PHI 10 12
Cameron Brate, TB 9 11
Kyle Rudolph, MIN 8 11
Ladarius Green, PIT 7 9
Eric Ebron, DET 6 8
Antonio Gates, SD 6 8
Martellus Bennett, NE 6 7

Quarterbacks

Player Stnd PPR
Aaron Rodgers, GB 26 26
Tom Brady, NE 22 22
Matt Ryan, ATL 20 20
Andrew Luck, IND 18 18
Kirk Cousins, WAS 18 18
Drew Brees, NO 17 17
Ben Roethlisberger, PIT 15 15
Dak Prescott, DAL 15 15
Philip Rivers, SD 15 15
Derek Carr, OAK 14 14
Russell Wilson, SEA 14 14
Jameis Winston, TB 14 14
Cam Newton, CAR 13 13
Marcus Mariota, TEN 12 12
Matthew Stafford, DET 11 11
Tyrod Taylor, BUF 8 8
Eli Manning, NYG 7 7